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Side-by-side financial comparison of MASTEC INC (MTZ) and NRG Energy (NRG). Click either name above to swap in a different company.

NRG Energy is the larger business by last-quarter revenue ($7.7B vs $3.9B, roughly 1.9× MASTEC INC). MASTEC INC runs the higher net margin — 3.6% vs 0.9%, a 2.8% gap on every dollar of revenue. On growth, MASTEC INC posted the faster year-over-year revenue change (15.8% vs 13.6%). MASTEC INC produced more free cash flow last quarter ($292.5M vs $-175.0M). Over the past eight quarters, MASTEC INC's revenue compounded faster (21.1% CAGR vs 2.0%).

Mastec, Inc. is an American infrastructure engineering and construction company based in Coral Gables, Florida. The company provides engineering, building, installation, maintenance and upgrade of energy, utility and communications infrastructure. Its customers are primarily in the utility, communications and government industries.

NRG Energy, Inc. is an American energy company, headquartered in Houston, Texas. It was formerly the wholesale arm of Northern States Power Company (NSP), which became Xcel Energy, but became independent in 2000. NRG Energy is involved in energy generation and retail electricity. Their portfolio includes natural gas generation, coal generation, oil generation, nuclear generation, wind generation, utility-scale generation, and distributed solar generation.

MTZ vs NRG — Head-to-Head

Bigger by revenue
NRG
NRG
1.9× larger
NRG
$7.7B
$3.9B
MTZ
Growing faster (revenue YoY)
MTZ
MTZ
+2.1% gap
MTZ
15.8%
13.6%
NRG
Higher net margin
MTZ
MTZ
2.8% more per $
MTZ
3.6%
0.9%
NRG
More free cash flow
MTZ
MTZ
$467.5M more FCF
MTZ
$292.5M
$-175.0M
NRG
Faster 2-yr revenue CAGR
MTZ
MTZ
Annualised
MTZ
21.1%
2.0%
NRG

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
MTZ
MTZ
NRG
NRG
Revenue
$3.9B
$7.7B
Net Profit
$142.7M
$66.0M
Gross Margin
Operating Margin
4.4%
3.9%
Net Margin
3.6%
0.9%
Revenue YoY
15.8%
13.6%
Net Profit YoY
90.9%
-89.7%
EPS (diluted)
$1.81
$0.33

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
MTZ
MTZ
NRG
NRG
Q4 25
$3.9B
$7.7B
Q3 25
$4.0B
$7.5B
Q2 25
$3.5B
$6.7B
Q1 25
$2.8B
$8.5B
Q4 24
$3.4B
$6.8B
Q3 24
$3.3B
$7.1B
Q2 24
$3.0B
$6.5B
Q1 24
$2.7B
$7.4B
Net Profit
MTZ
MTZ
NRG
NRG
Q4 25
$142.7M
$66.0M
Q3 25
$160.7M
$152.0M
Q2 25
$85.8M
$-104.0M
Q1 25
$9.9M
$750.0M
Q4 24
$74.7M
$643.0M
Q3 24
$95.2M
$-767.0M
Q2 24
$34.0M
$738.0M
Q1 24
$-41.2M
$511.0M
Operating Margin
MTZ
MTZ
NRG
NRG
Q4 25
4.4%
3.9%
Q3 25
5.3%
5.5%
Q2 25
3.4%
Q1 25
0.3%
13.4%
Q4 24
2.8%
14.1%
Q3 24
4.2%
-11.4%
Q2 24
2.1%
21.8%
Q1 24
-1.7%
11.8%
Net Margin
MTZ
MTZ
NRG
NRG
Q4 25
3.6%
0.9%
Q3 25
4.0%
2.0%
Q2 25
2.4%
-1.6%
Q1 25
0.3%
8.8%
Q4 24
2.2%
9.5%
Q3 24
2.9%
-10.8%
Q2 24
1.1%
11.4%
Q1 24
-1.5%
6.9%
EPS (diluted)
MTZ
MTZ
NRG
NRG
Q4 25
$1.81
$0.33
Q3 25
$2.04
$0.69
Q2 25
$1.09
$-0.62
Q1 25
$0.13
$3.61
Q4 24
$0.95
$3.10
Q3 24
$1.21
$-3.79
Q2 24
$0.43
$3.37
Q1 24
$-0.53
$2.31

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
MTZ
MTZ
NRG
NRG
Cash + ST InvestmentsLiquidity on hand
$396.0M
$4.7B
Total DebtLower is stronger
$2.2B
$16.4B
Stockholders' EquityBook value
$3.3B
$1.7B
Total Assets
$9.9B
$29.1B
Debt / EquityLower = less leverage
0.67×
9.76×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MTZ
MTZ
NRG
NRG
Q4 25
$396.0M
$4.7B
Q3 25
$231.4M
$732.0M
Q2 25
$191.1M
$180.0M
Q1 25
$345.7M
$693.0M
Q4 24
$399.9M
$966.0M
Q3 24
$181.2M
$1.1B
Q2 24
$297.6M
$376.0M
Q1 24
$249.3M
$278.0M
Total Debt
MTZ
MTZ
NRG
NRG
Q4 25
$2.2B
$16.4B
Q3 25
$2.2B
$11.2B
Q2 25
$2.1B
$9.8B
Q1 25
$2.0B
$9.8B
Q4 24
$2.0B
$9.8B
Q3 24
$2.1B
$10.4B
Q2 24
$2.4B
$10.4B
Q1 24
$2.5B
$9.6B
Stockholders' Equity
MTZ
MTZ
NRG
NRG
Q4 25
$3.3B
$1.7B
Q3 25
$3.1B
$2.0B
Q2 25
$2.9B
$2.3B
Q1 25
$2.9B
$2.8B
Q4 24
$2.9B
$2.5B
Q3 24
$2.8B
$2.5B
Q2 24
$2.7B
$3.6B
Q1 24
$2.7B
$3.3B
Total Assets
MTZ
MTZ
NRG
NRG
Q4 25
$9.9B
$29.1B
Q3 25
$9.7B
$24.0B
Q2 25
$9.1B
$24.1B
Q1 25
$8.9B
$25.0B
Q4 24
$9.0B
$24.0B
Q3 24
$8.8B
$23.7B
Q2 24
$8.7B
$25.8B
Q1 24
$8.7B
$25.4B
Debt / Equity
MTZ
MTZ
NRG
NRG
Q4 25
0.67×
9.76×
Q3 25
0.71×
5.66×
Q2 25
0.71×
4.29×
Q1 25
0.71×
3.53×
Q4 24
0.70×
3.96×
Q3 24
0.76×
4.14×
Q2 24
0.87×
2.88×
Q1 24
0.95×
2.90×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
MTZ
MTZ
NRG
NRG
Operating Cash FlowLast quarter
$372.7M
$123.0M
Free Cash FlowOCF − Capex
$292.5M
$-175.0M
FCF MarginFCF / Revenue
7.4%
-2.3%
Capex IntensityCapex / Revenue
2.0%
3.9%
Cash ConversionOCF / Net Profit
2.61×
1.86×
TTM Free Cash FlowTrailing 4 quarters
$285.7M
$766.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MTZ
MTZ
NRG
NRG
Q4 25
$372.7M
$123.0M
Q3 25
$89.0M
$484.0M
Q2 25
$5.6M
$451.0M
Q1 25
$78.4M
$855.0M
Q4 24
$471.7M
$952.0M
Q3 24
$277.7M
$31.0M
Q2 24
$264.4M
$1.1B
Q1 24
$107.8M
$267.0M
Free Cash Flow
MTZ
MTZ
NRG
NRG
Q4 25
$292.5M
$-175.0M
Q3 25
$20.3M
$230.0M
Q2 25
$-58.2M
$73.0M
Q1 25
$31.1M
$638.0M
Q4 24
$423.4M
$766.0M
Q3 24
$234.1M
$-83.0M
Q2 24
$232.9M
$953.0M
Q1 24
$82.3M
$198.0M
FCF Margin
MTZ
MTZ
NRG
NRG
Q4 25
7.4%
-2.3%
Q3 25
0.5%
3.1%
Q2 25
-1.6%
1.1%
Q1 25
1.1%
7.5%
Q4 24
12.4%
11.3%
Q3 24
7.2%
-1.2%
Q2 24
7.9%
14.7%
Q1 24
3.1%
2.7%
Capex Intensity
MTZ
MTZ
NRG
NRG
Q4 25
2.0%
3.9%
Q3 25
1.7%
3.4%
Q2 25
1.8%
5.7%
Q1 25
1.7%
2.6%
Q4 24
1.4%
2.8%
Q3 24
1.3%
1.6%
Q2 24
1.1%
1.6%
Q1 24
0.9%
0.9%
Cash Conversion
MTZ
MTZ
NRG
NRG
Q4 25
2.61×
1.86×
Q3 25
0.55×
3.18×
Q2 25
0.07×
Q1 25
7.91×
1.14×
Q4 24
6.31×
1.48×
Q3 24
2.92×
Q2 24
7.78×
1.43×
Q1 24
0.52×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

MTZ
MTZ

Clean Energy And Infrastructure$1.3B33%
Power Delivery$1.1B28%
Communications$906.7M23%
Pipeline Infrastructure$643.8M16%

NRG
NRG

Segment breakdown not available.

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